hoverfly: I had similar a few years back , came home from work went int kitchen and made a cuppa sat on a stool looking out the kitchen window. There was a large space ,something was wrong, some scumbag a/hole had stolen my motorbike.. February 21, 2018, 09:24:58

Reman: I just half woke up, opened my eyes to check the time. and while doing this I subconsciously noticed something wrong with the shape of shadows on the other side of the room. That woke me up with a jolt!!! It seems I've got so used to seeing my camera hex perched up on the set of draws in the corner of my bedroom that the area now looks strangely empty without it (I took it apart on Sunday to begin the rebuild into its new Y6 frame)...... And now I'm wide awake at bloody half one in the morning....... And feeling like a paranoid pillock. February 21, 2018, 01:27:14

I agree with db in the main, I would add:Cope with wind:I have flown racers in all sorts of wind conditions, a good 5inch can cope in terms of aspect superbly, by that I mean it stays locked at the angle you command, it doesn';t wobble or tilt

There is however, another aspect in terms of wind, it blows he quad about, if you fly into it you are slower, if you fly away from it you go very fast, if you tack you tend to drift down wind.

This is mainly effected by two factorsFirstly the speed of the quad, particularly when flying in to the wind, the higher top end you have the better you can handle that

Secondly the frame, I have raced in strong winds, it was fun, but a guy had a vandetta and it simply could not cope, it basically acted as a sail, whereas small pod racer or open frames just zipped about.

The best quads I have for windy conditions are 200ish racers with small or open bodies and underslung batteries. It helps if you run light props as that allows the motors to change speed quicker, making it better at holding aspect

Technically it ought to be possible to give a 6inch a better power to weight ratio, but it will make more of a sail, and most of the motor, prop and general development is around 5inch props, so whilst it may be feasible i suspect it isn';t practical with current hardware